How may we improve your indoor comfort?

We welcome the opportunity to estimate your next project!

Dave’s Mechanical Services, LLC offers great rates for installations and repair work. We welcome calls or emails with any questions regarding our heating and cooling repair, maintenance, and installation services in the Frederick, MD area.  Be prepared for cold weather!

Dave’s Mechanical Services, LLC

10115 Old Liberty Road
Frederick, MD 21701

Office: 301-703-9350


                                                                                                                                 Areas Serviced

Brunswick             Burkittsville            Emmitsburg            Frederick             Ijamsville

Middletown             Mt. Airy                  Myersville             New Market         Rosemont

Thurmont               Urbana                   Walkersville           Woodsboro

and Carroll, Montgomery, Howard and Washington Counties.

We service and install all brands including Amana, Aprilaire, Bosche, Broan, Bryant, Carrier, Climate Master, Dunkirk, Frigidaire, Fujitsu, Gibson, Goodman, Honeywell, Intellidyne, Lennox, Magic-Pak, Maytag, Mitsubishi, Nutone, Panasonic, Payne, Rheem, Ruud, Sanyo, Slant/Fin, SpacePak, Tappan, Trane, Utica Boilers, Water Furnace, Watts Radient, Weil-McLain, Westinghouse, York and many more!